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(11) | EP 0 242 825 A3 |
(12) | EUROPEAN PATENT APPLICATION |
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(54) | Apparatus for interchanging orifice plates for orifice flowmeter |
(57) A closed orifice plate stowage disposed outside an orifice plate mount portion at
an intermediate portion of a pipe channel has a communication opening on one side
of the mount portion for passing an orifice plate therethrough and is in communication
with the mount portion through the opening. A movable body housed in the plate stowage
and movable in a direction parallel with the pipe channel has a plurality of orifice
bins arranged in parallel with the pipe channel at a spacing. A device is provided
for moving orifice plates one by one between the mount portion and the plate bins
of the movable body through the opening. |